Here’s something you wouldn’t expect to see happen, even in the Big Apple. Rick Springfield gave a surprise pop up performance walking through the New York Subway system yesterday, playing a guitar and singing his hits for the crowds that followed him along one of the routes. Stunned mass transit riders pulled out their phone cameras and caught much of it on video. Here are just a couple of samples.

You don’t suppose the fact he has a new album and documentary video release had anything to do with it, do you……